Component Inspection

INSPECTION




1. INSPECT AIR PUMP
a. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check that air flows.

If operation is not as specified, replace the air pump.




2. INSPECT AIR SWITCHING VALVE
a. Blow air into port A and check that air is not discharged from port B.




b. Apply battery voltage across the terminals.
c. Blow air into port A and check that air is discharged from port B.

If operation is not as specified, replace the air switching valve.




3. INSPECT NO. 2 AIR SWITCHING VALVE
a. Blow air into port B and check that air is not discharged from port C.




b. Apply vacuum of 30 kPa (306 gf/sq.cm, 4.35 psi) to port A, blow air into port B and check that air is discharged from port C.

If operation is not as specified, replace the No. 2 air switching valve.